Limited to one free gift per customer/household per thirty day period. Limited to one free gift per order per thirty day period. Offer may be withdrawn or changed at any time. This offer is not retroactive and cannot be applied to previous orders placed with Circuit Specialists. Orders must be $100 or greater and do not include shipping.  Only orders placed on the Internet are eligible for the free gift promotion. This offer cannot be combined with other promotions, discounts, clearance items, refurbished items, or out of stock products.  This offer does not apply to lab kits, custom quotes, will call or phone orders.  When customers who return any portion of their order for a refund resulting in an order total under $100 they must also return the free gift.